Scolaris Content Display Scolaris Content Display

Forest plot of comparison: 1 Preoperative radiotherapy (with or without chemotherapy) versus (with or without chemotherapy) surgery, outcome: 1.1 Survival.
Figuras y tablas -
Figure 1

Forest plot of comparison: 1 Preoperative radiotherapy (with or without chemotherapy) versus (with or without chemotherapy) surgery, outcome: 1.1 Survival.

Simple (non‐stratified) survival curves of preoperative radiotherapy (with or without chemotherapy) versus (with or without chemotherapy) surgery.
Figuras y tablas -
Figure 2

Simple (non‐stratified) survival curves of preoperative radiotherapy (with or without chemotherapy) versus (with or without chemotherapy) surgery.

Effect of preoperative radiotherapy (with or without chemotherapy) versus (with or without chemotherapy) surgery by sex, age and tumor location. Sex: interaction chisquare=3.15, df=1, p=0.08; Age: Sex: trend chisquare=0.76, df=1, p=0.38; tumor location: intercation chisquare= 1.31, df=1, p=0.25.
Figuras y tablas -
Figure 3

Effect of preoperative radiotherapy (with or without chemotherapy) versus (with or without chemotherapy) surgery by sex, age and tumor location. Sex: interaction chisquare=3.15, df=1, p=0.08; Age: Sex: trend chisquare=0.76, df=1, p=0.38; tumor location: intercation chisquare= 1.31, df=1, p=0.25.

Comparison 1 Preoperative radiotherapy (with or without chemotherapy) versus (with or without chemotherapy) surgery, Outcome 1 Survival.
Figuras y tablas -
Analysis 1.1

Comparison 1 Preoperative radiotherapy (with or without chemotherapy) versus (with or without chemotherapy) surgery, Outcome 1 Survival.

Comparison 1. Preoperative radiotherapy (with or without chemotherapy) versus (with or without chemotherapy) surgery

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Survival Show forest plot

6

1147

Hazard Ratio (95% CI)

0.89 [0.78, 1.01]

1.1 Preoperative RT only 'trials'

5

1038

Hazard Ratio (95% CI)

0.91 [0.80, 1.04]

1.2 Preoperative RT + CT 'trials'

1

109

Hazard Ratio (95% CI)

0.70 [0.47, 1.04]

Figuras y tablas -
Comparison 1. Preoperative radiotherapy (with or without chemotherapy) versus (with or without chemotherapy) surgery